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690 Warren Lane, Key Biscayne, FL - photo 1

$5,378,000

690 Warren Lane

Key Biscayne, FL 33149

Estimated payment $32,268/month

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4Beds
4Baths
3,549Sq Ft
$1515Price/Sq Ft

Preferred partner

Kinsfolk Realty

Kinsfolk Signature Realty

Powered by Hometrino

(813) 602-0498

Highlights

No HOA
Private Pool
Garage
Built in 2000
7,841 sqft Lot

About This Home

A truly exceptional Miami Modern Tropical residence set on a prime 8,010 SF corner lot, offering 3,549 SF of beautifully curated living space with 4 bedrooms and 3.5 bathrooms. Designed by architect Hervin Romney, a founding member of Arquitectonica, the home reflects a distinctive architectural vision inspired by the organic principles of Frank Lloyd Wright and the expressive forms of Antoni Gaudí, where art, design, and nature seamlessly converge. This residence captivates with its abundance of natural light, soaring high ceilings, fluid open spaces, and harmonious lines that create a sense of warmth, sophistication, and effortless flow throughout the main living areas. The beautifully remodeled kitchen and bar are a true centerpiece, featuring high-end appliances, premium finishes, refined craftsmanship, and a design that balances functionality with striking aesthetics. Step outside into your own private tropical retreat, where lush landscaping, graceful curved terraces, and a stunning swimming pool create an atmosphere of tranquility and escape. This outdoor sanctuary is perfect for both relaxation and entertaining. As an added privilege, the property includes membership to the Key Biscayne Beach Club, offering exclusive access to one of Miami’s most coveted coastal lifestyles. Key Biscayne is renowned for its pristine beaches, charming restaurants, and vibrant yet relaxed atmosphere—delivering a true island lifestyle just minutes from the city.

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Facts & features

Bedrooms & bathrooms

  • •Bedrooms:4
  • •Bathrooms:4
  • •Full bathrooms:0

Heating

  • •Has Heating:Yes

Interior area

  • •Total structure area:3,549 sqft
  • •Total interior livable area:3,549 sqft

Parking

  • •Parking features:N/A
  • •Garage spaces:0
  • •Has attached garage:No

Lot

  • •Size:7,841 sqft

Details

  • •Parcel number:N/A

Type & style

  • •Home type:Single Family Residence
  • •Property subtype:Residential

Materials

  • • N/A

Condition

  • •Year built:2000

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Price history

DateEventPrice
2026-04-30T00:00:00.000ZListed for sale$5,378,000$1515/sqft

Listing Agent

Brigitte Nachtigall

One Sotheby's International Realty

Brokerage Phone: 305-365-2811

Source: Beaches MLS · MLS #A12010108

Data Powered by Home Junction, Inc.

Nearby

Schools

KEY BISCAYNE K-8 CENTER

Elementary · 0.2 mi

Supermarkets

Winn-Dixie

0.3 mi

Key Biscayne Green Market

0.5 mi

NAHUEN Gourmet Market

0.6 mi

Dining

Cocina

0.1 mi

Tasters Lane

0.2 mi

Panna

0.3 mi

Parks

Harbor Park

0.2 mi

Paradise Park

0.4 mi

Hampton Park

0.4 mi

Beaches

Crandon Park Beach

0.9 mi

Crandon Beach

1.7 mi

Hobie Island Beach Park

3.9 mi

Nearby amenity locations include data © OpenStreetMap contributors.